| 'use strict'; |
| var $ = require('../internals/export'); |
| var IS_PURE = require('../internals/is-pure'); |
| var anObject = require('../internals/an-object'); |
| var getSetIterator = require('../internals/get-set-iterator'); |
| var iterate = require('../internals/iterate'); |
| |
| // `Set.prototype.join` method |
| // https://github.com/tc39/proposal-collection-methods |
| $({ target: 'Set', proto: true, real: true, forced: IS_PURE }, { |
| join: function join(separator) { |
| var set = anObject(this); |
| var iterator = getSetIterator(set); |
| var sep = separator === undefined ? ',' : String(separator); |
| var result = []; |
| iterate(iterator, result.push, result, false, true); |
| return result.join(sep); |
| } |
| }); |